30123765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 31807755

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 127, 135, 189, 251, 315, 381, 635, 753, 889, 945, 1143, 1255, 1757, 1905, 2259, 2667, 3429, 3765, 4445, 5271, 5715, 6777, 8001, 8785, 11295, 13335, 15813, 17145, 24003, 26355, 31877, 33885, 40005, 47439, 79065, 95631, 120015, 159385, 223139, 237195, 286893, 478155, 669417, 860679, 1115695, 1434465, 2008251, 3347085, 4303395, 6024753, 10041255, 30123765]

約数ペア:

[(1, 30123765), (3, 10041255), (5, 6024753), (7, 4303395), (9, 3347085), (15, 2008251), (21, 1434465), (27, 1115695), (35, 860679), (45, 669417), (63, 478155), (105, 286893), (127, 237195), (135, 223139), (189, 159385), (251, 120015), (315, 95631), (381, 79065), (635, 47439), (753, 40005), (889, 33885), (945, 31877), (1143, 26355), (1255, 24003), (1757, 17145), (1905, 15813), (2259, 13335), (2667, 11295), (3429, 8785), (3765, 8001), (4445, 6777), (5271, 5715)]