121111110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:650

約数の個数: 96

約数和(自身を含む): 329591808

約数和(自身を除く): 208480698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 83, 90, 93, 155, 166, 186, 249, 279, 310, 415, 465, 498, 523, 558, 747, 830, 930, 1046, 1245, 1395, 1494, 1569, 2490, 2573, 2615, 2790, 3138, 3735, 4707, 5146, 5230, 7470, 7719, 7845, 9414, 12865, 15438, 15690, 16213, 23157, 23535, 25730, 32426, 38595, 43409, 46314, 47070, 48639, 77190, 81065, 86818, 97278, 115785, 130227, 145917, 162130, 217045, 231570, 243195, 260454, 291834, 390681, 434090, 486390, 651135, 729585, 781362, 1302270, 1345679, 1459170, 1953405, 2691358, 3906810, 4037037, 6728395, 8074074, 12111111, 13456790, 20185185, 24222222, 40370370, 60555555, 121111110]

約数ペア:

[(1, 121111110), (2, 60555555), (3, 40370370), (5, 24222222), (6, 20185185), (9, 13456790), (10, 12111111), (15, 8074074), (18, 6728395), (30, 4037037), (31, 3906810), (45, 2691358), (62, 1953405), (83, 1459170), (90, 1345679), (93, 1302270), (155, 781362), (166, 729585), (186, 651135), (249, 486390), (279, 434090), (310, 390681), (415, 291834), (465, 260454), (498, 243195), (523, 231570), (558, 217045), (747, 162130), (830, 145917), (930, 130227), (1046, 115785), (1245, 97278), (1395, 86818), (1494, 81065), (1569, 77190), (2490, 48639), (2573, 47070), (2615, 46314), (2790, 43409), (3138, 38595), (3735, 32426), (4707, 25730), (5146, 23535), (5230, 23157), (7470, 16213), (7719, 15690), (7845, 15438), (9414, 12865)]