72651915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 154752000

約数和(自身を除く): 82100085

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 61, 63, 95, 105, 133, 171, 183, 199, 285, 305, 315, 399, 427, 549, 597, 665, 855, 915, 995, 1159, 1197, 1281, 1393, 1791, 1995, 2135, 2745, 2985, 3477, 3781, 3843, 4179, 5795, 5985, 6405, 6965, 8113, 8955, 10431, 11343, 12139, 12537, 17385, 18905, 19215, 20895, 24339, 26467, 34029, 36417, 40565, 52155, 56715, 60695, 62685, 73017, 79401, 84973, 109251, 121695, 132335, 170145, 182085, 230641, 238203, 254919, 365085, 397005, 424865, 546255, 691923, 764757, 1153205, 1191015, 1274595, 1614487, 2075769, 3459615, 3823785, 4843461, 8072435, 10378845, 14530383, 24217305, 72651915]

約数ペア:

[(1, 72651915), (3, 24217305), (5, 14530383), (7, 10378845), (9, 8072435), (15, 4843461), (19, 3823785), (21, 3459615), (35, 2075769), (45, 1614487), (57, 1274595), (61, 1191015), (63, 1153205), (95, 764757), (105, 691923), (133, 546255), (171, 424865), (183, 397005), (199, 365085), (285, 254919), (305, 238203), (315, 230641), (399, 182085), (427, 170145), (549, 132335), (597, 121695), (665, 109251), (855, 84973), (915, 79401), (995, 73017), (1159, 62685), (1197, 60695), (1281, 56715), (1393, 52155), (1791, 40565), (1995, 36417), (2135, 34029), (2745, 26467), (2985, 24339), (3477, 20895), (3781, 19215), (3843, 18905), (4179, 17385), (5795, 12537), (5985, 12139), (6405, 11343), (6965, 10431), (8113, 8955)]