16172793

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 30451200

約数和(自身を除く): 14278407

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 117, 147, 169, 217, 273, 279, 343, 403, 441, 507, 637, 651, 819, 1029, 1183, 1209, 1519, 1521, 1911, 1953, 2821, 3087, 3549, 3627, 4459, 4557, 5239, 5733, 8281, 8463, 10633, 10647, 13377, 13671, 15717, 19747, 24843, 25389, 31899, 36673, 40131, 47151, 57967, 59241, 74529, 95697, 110019, 138229, 173901, 177723, 256711, 330057, 414687, 521703, 770133, 1244061, 1796977, 2310399, 5390931, 16172793]

約数ペア:

[(1, 16172793), (3, 5390931), (7, 2310399), (9, 1796977), (13, 1244061), (21, 770133), (31, 521703), (39, 414687), (49, 330057), (63, 256711), (91, 177723), (93, 173901), (117, 138229), (147, 110019), (169, 95697), (217, 74529), (273, 59241), (279, 57967), (343, 47151), (403, 40131), (441, 36673), (507, 31899), (637, 25389), (651, 24843), (819, 19747), (1029, 15717), (1183, 13671), (1209, 13377), (1519, 10647), (1521, 10633), (1911, 8463), (1953, 8281), (2821, 5733), (3087, 5239), (3549, 4557), (3627, 4459)]